參數(shù)資料
型號： SN54LS221FK
廠商： Texas Instruments, Inc.
元件分類： 通用總線功能
英文描述： DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS
中文描述： 雙單穩(wěn)多諧振蕩器與施密特觸發(fā)輸入
文件頁數(shù)： 9/23頁
文件大?。?/td> 621K
代理商： SN54LS221FK
SDLS213B DECEMBER 1983 REVISED NOVEMBER 2004
9
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
switching characteristics V
CC
= 5 V, R
L
= 2 k
,
T
A
= 25 C (see Figures 1 and 2)
PARAMETER
FROM
(INPUT)
TO
TEST CONDITIONS
SN54LS221
MIN
SN74LS221
MIN
UNIT
(OUTPUT)
TYP
MAX
TYP
MAX
tPLH
A
Q
45
70
45
70
B
Cext = 80 pF,
Rext = 2 k
35
55
35
55
ns
tPHL
A
Q
50
80
50
80
B
40
65
40
65
tPHL
tPLH
CLR
Q
Cext = 80 pF,
Rext = 2 k
35
55
35
55
ns
Q
44
65
44
65
Cext = 80 pF,
Cext = 0,
Cext = 100 pF,
Cext = 1
μ
F,
Rext = 2 k
Rext = 2 k
Rext = 10 k
Rext = 10 k
70
120
150
70
120
150
tw
A or B
Q or Q
20
47
70
20
47
70
ns
670
740
810
670
740
810
6*
6.9
7.5*
6
6.9
7.5
ms
On products compliant to MIL-PRF-38535, this parameter is not production tested.
相關PDF資料
PDF描述
SN54LS221W DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS
SN74LS221DB DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS
SN54221W DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS
SN74LS221 500mA, 8V,±2% Tolerance, Voltage Regulator, Ta = 0°C to +125°C; Package: DPAK 4 LEAD Single Gauge Surface Mount; No of Pins: 4; Container: Tape and Reel; Qty per Container: 2500
SN74LS221D 500mA, 8V,±4% Tolerance, Voltage Regulator, Ta = -40°C to +125°C; Package: DPAK 4 LEAD Single Gauge Surface Mount; No of Pins: 4; Container: Rail; Qty per Container: 75
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